SLVService/include/mms/ai_time.h

/****************************************************************************/
/* Copyright (c) 2007,<2C><><EFBFBD>̼<EFBFBD><CCBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޹<EFBFBD>˾                                      */
/* All rights reserved.                                                     */
/*                                                                          */
/*  ģ<><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>                                                              */
/** ʱ<>䴦<EFBFBD><E4B4A6>ģ<EFBFBD><C4A3>,ST_TIMESTAMP ST_ENTRYTIME<4D><45><EFBFBD>ʹ<EFBFBD><CDB4><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
 *  @file  timeutil.h                                                       */
/*                                                                          */
/* <20><><EFBFBD><EFBFBD>         <20><><EFBFBD><EFBFBD>    ע<><D7A2>                                                */
/* 2007/09/13   ZYZ     <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>,<2C><><EFBFBD>ϰ<EFBFBD>copy                                 */
/****************************************************************************/
#ifndef INC_ACSITIME_H_HEADER_INCLUDED_BE050203
#define INC_ACSITIME_H_HEADER_INCLUDED_BE050203

#include "ai_def.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD>ǰʱ<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ȡ<EFBFBD><EFBFBD>UTime<EFBFBD><EFBFBD>Ʒ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ﲻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param   curtime		      <EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD>ǰʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Time<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @retval  <EFBFBD><EFBFBD>
 */	
ST_VOID get_system_curtime(ST_TIMESTAMP *curtime);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>侫<EFBFBD><EFBFBD>TimeAccuracy <EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>ΪUTCTime<EFBFBD><EFBFBD>Fraction.
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊȫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>24λ,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD>ȷ<EFBFBD>ȱ<EFBFBD>֤Ϊ0.1ms
 * @param   milsecond		    <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 * @param   time_precision      ʱ<EFBFBD>侫<EFBFBD><EFBFBD>
 * @retval  ST_UINT32           UTCTime<EFBFBD><EFBFBD>Fraction
 */
ST_UINT32 convert_milsec_to_timefrac(ST_FLOAT milsecond, ST_INT32 time_precision);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>侫<EFBFBD><EFBFBD>TimeAccuracy <EFBFBD><EFBFBD>61850<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Fractionת<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Float32
 * @param   frac		        61850<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Fraction
 * @param   time_precision      ʱ<EFBFBD>侫<EFBFBD><EFBFBD>
 * @retval  ST_FLOAT            <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ST_FLOAT convert_timefrac_to_milsec(ST_UINT32 frac, ST_INT32 time_precision);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>timeStampʱ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD>
 * @param   curtime		        <EFBFBD><EFBFBD>ǰʱ<EFBFBD><EFBFBD>
 * @param   destime             <EFBFBD>Ժ<EFBFBD>ʱ<EFBFBD><EFBFBD>
 * @retval  ST_FLOAT            <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ST_UINT32 calculate_timespan(ST_TIMESTAMP *curtime, ST_TIMESTAMP *destime);

/**
 * <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǩ<EFBFBD><EFBFBD>
 * @param   curtime		        <EFBFBD><EFBFBD>ǰʱ<EFBFBD><EFBFBD>
 * @param   tmspan              ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @retval  <EFBFBD><EFBFBD>
 */
ST_VOID add_timespan_to_curtm(ST_TIMESTAMP *curtime, ST_UINT32 tmspan);
/**
 * <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>EntryTimeʱ<EFBFBD><EFBFBD>
 * @param   entrytime		    <EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD>ǰʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ENTRYTIME<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @retval  <EFBFBD><EFBFBD>
 */
ST_VOID get_current_entrytime(ST_ENTRYTIME *entrytime);

/**
 * <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ST_TIMESTAMP<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>ΪEntryTimeʱ<EFBFBD><EFBFBD>
 * @param   timestamp		        timestampʱ<EFBFBD><EFBFBD>
 * @param   entrytime               entrytimeʱ<EFBFBD><EFBFBD>
 * @retval  <EFBFBD><EFBFBD>
 */
ST_VOID convert_timestamp_to_entrytime(ST_TIMESTAMP *timestamp, ST_ENTRYTIME *entrytime);

/**
 * <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>EntryTime<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>ΪST_TIMESTAMPʱ<EFBFBD><EFBFBD>
 * @param   timestamp		        timestampʱ<EFBFBD><EFBFBD>
 * @param   entrytime               entrytimeʱ<EFBFBD><EFBFBD>
 * @retval  <EFBFBD><EFBFBD>
 */
ST_VOID convert_entrytime_to_timestamp(ST_ENTRYTIME *entrytime, ST_TIMESTAMP *timestamp);

#ifdef __cplusplus
}
#endif 

#endif  /* end of 'already included' 	*/